| TERMS | DEFINITIONS |
| Chromosome aberration | Any numerical or structural change in the
usual chromosome complement of a cell or organism is called chromosome aberration. |
| Aneuploidy | The random abnormal number of
chromosomes in the animals is called as |
| Polyploidy | A condition in which the organisms have
more than two complete sets of chromosomes is called polyploidy. |
| Autopolyploids | Autopolyploids are polyploids in with
chromosomes derived from a single species. |
| Allopolyploids | Allopolyploids are polyploids with
chromosomes derived from different species. |
| Deletion | The loss of part of chromosome is called |
| paralogs | The two genes that exist after a gene |
| duplication event are called paralogs. Para logs code tor proteins witli a different function and structure. | |
| Orthologous genes | Ortholgous genescode for proteins with
similar functions hut exist in different species. |
| Translocation | The interchange of parts betweennon‑
homologous chromosomes is called |
abida